The Principal of a Small Elementary School Wants to Select

question 18

Multiple Choice

The principal of a small elementary school wants to select a simple random sample of 24students.The school has 12 classrooms with 18 students in each class.She decides torandomly select two students from each classroom.Is this a simple random sample?

• A)Yes, because a stratified sample is a type of simple random sample.
• B)Yes, because the students were selected at random.
• C)Yes, because each student had an equal chance to be selected.
• D)No, because not all combinations of 24 students could have been chosen.
• E)No, because each student did not have an equal chance of being selected.

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Definitions:

Rate of Return

Gains or losses incurred on an investment over a specifically defined period, formulated as a percentage of the investment’s kickoff cost.

Floating-rate Bonds

Bonds that have a variable interest rate, which adjusts periodically according to a benchmark interest rate or index.

Coupon Rate

The interest rate stated on a bond or other fixed-income security, representing the annual interest paid by the issuer to the bondholder.

Convertible Bond

This is a bond that provides the holder the ability to convert it into a set number of shares of the issuer's stock at agreed-upon times over the bond's term, often by the choice of the investor.